MicroBalancer

A load balancer supporting multiple LB strategies written in java.

Goal

The goal of this project is purley educational.

The balancer's main abstraction is a Service, each service has a name, a balancing strategy, and a group of identical replicas that can serve requests for the same service.

the service is configured via yaml file that is provided at startup, the most recent example can be found in the examples folder.

services: 
  - 
    matcher: /ui
    name: "Web UI"
    replicas: 
      - "http://192.168.23.1:8081"
      - "http://192.168.23.5:8082"
    strategy: RoundRobin
  - 
    matcher: /api/v1
    name: "Stateless API"
    replicas: 
      - "http://192.168.23.1:8081"
      - "http://192.168.23.5:8082"
    strategy: WeightedRoundRobin

Building a demo

If you want to try load balancer, you can run the demo server in the 'MicroBalancer\src\main\java\com\github\omkumargithub\TestMain.java' directory, which starts server on sepecific port.

Launching the load balancer

• maven should be downloaded

 mvn clean package
 java -jar .\target\MicroBalancer-1.0.jar